PROBLEMS AND DIRECTIONS OF DEVELOPMENT OF ALTERNATIVE ENERGY. International Journal of Advance Scientific Research, [S. l.], v. 2, n. 12, p. 215–218, 2022. DOI: 10.37547/ijasr-02-12-30. Disponível em: https://sciencebring.com/index.php/ijasr/article/view/163. Acesso em: 7 jul. 2025.